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| (Empty) |
| 1 <!DOCTYPE html> | |
| 2 <html> | |
| 3 <head> | |
| 4 <script src="../../resources/testharness.js"></script> | |
| 5 <script src="../../resources/testharnessreport.js"></script> | |
| 6 <script src="resources/scroll-behavior-test.js"></script> | |
| 7 <script type="text/javascript"> | |
| 8 const numItems = 500; | |
| 9 | |
| 10 function getEndPosition(testCase, startPosition) { | |
| 11 var endPosition = {}; | |
| 12 endPosition.x = startPosition.x; | |
| 13 endPosition.y = testCase.y; | |
| 14 return endPosition; | |
| 15 } | |
| 16 | |
| 17 function jsScroll(testCase) { | |
| 18 var element = document.getElementById("listbox"); | |
| 19 if (testCase.js) { | |
| 20 element.scrollTop = {y: testCase.y, behavior: testCase.js}; | |
| 21 } else { | |
| 22 element.scrollTop = testCase.y; | |
| 23 } | |
| 24 } | |
| 25 | |
| 26 var testScrolls = [ | |
| 27 {js: "instant", css: "auto", index: 2}, | |
| 28 {js: "instant", css: "smooth", index: 3}, | |
| 29 {js: "auto", css: "auto", index: 4}, | |
| 30 {js: "", css: "auto", index: 5}, | |
| 31 {js: "smooth", css: "auto", waitForEnd: true, index: 15}, | |
| 32 {js: "smooth", css: "smooth", waitForEnd: true, index: 20}, | |
| 33 {js: "auto", css: "smooth", waitForEnd: true, index: 30}, | |
| 34 {js: "", css: "smooth", waitForEnd: true, index: 35}, | |
| 35 {js: "smooth", css: "auto", waitForEnd: false, index: 410}, | |
| 36 {js: "smooth", css: "smooth", waitForEnd: false, index: 20}, | |
| 37 {js: "auto", css: "smooth", waitForEnd: false, index: 400}, | |
| 38 {js: "", css: "smooth", waitForEnd: false, index: 5}, | |
| 39 ]; | |
| 40 | |
| 41 function initializeContents(listbox) | |
| 42 { | |
| 43 for (var i = 0; i < numItems; i++) { | |
| 44 var option = document.createElement("option"); | |
| 45 option.appendChild(document.createTextNode(i)); | |
| 46 listbox.appendChild(option); | |
| 47 } | |
| 48 } | |
| 49 | |
| 50 function doTest() | |
| 51 { | |
| 52 var element = document.getElementById("listbox"); | |
| 53 initializeContents(element); | |
| 54 var itemHeight = Math.floor(listbox.clientHeight / listbox.size); | |
| 55 var testCases = []; | |
| 56 for (var i = 0; i < testScrolls.length; i++) { | |
| 57 // Convert from list box item index to a scroll offset. | |
| 58 testScrolls[i].y = testScrolls[i].index * itemHeight; | |
| 59 testScrolls[i].x = 0; | |
| 60 testCases.push(new ScrollBehaviorTestCase(testScrolls[i])); | |
| 61 } | |
| 62 | |
| 63 var scrollBehaviorTest = new ScrollBehaviorTest(element, | |
| 64 element, | |
| 65 testCases, | |
| 66 getEndPosition, | |
| 67 jsScroll); | |
| 68 scrollBehaviorTest.run(); | |
| 69 } | |
| 70 | |
| 71 window.addEventListener('load', doTest, false); | |
| 72 </script> | |
| 73 </head> | |
| 74 | |
| 75 <body> | |
| 76 <p>Test that setting scrollTop on a listbox works with both scroll behaviors</
p> | |
| 77 <select size="4" id="listbox"></select> | |
| 78 </body> | |
| 79 </html> | |
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Chromium Code Reviews
Issue 782793002:
Update Element API for CSSOM smooth scrolling to match the spec (Closed)
Base URL: svn://svn.chromium.org/blink/trunk